Update README

Author: hamidreza2005

README.md

@@ -20,7 +20,8 @@ return [
   "Illuminate\Database\QueryException" => "\hamidreza2005\LaravelApiErrorHandler\Exceptions\ServerInternalException",  
   "Illuminate\Auth\AuthenticationException" => "\hamidreza2005\LaravelApiErrorHandler\Exceptions\AccessDeniedException",  
   "Symfony\Component\HttpKernel\Exception\HttpException" => "\hamidreza2005\LaravelApiErrorHandler\Exceptions\AccessDeniedException",  
-  "Illuminate\Validation\ValidationException" => "\hamidreza2005\LaravelApiErrorHandler\Exceptions\ValidationException",  
+  "Illuminate\Validation\ValidationException" => "\hamidreza2005\LaravelApiErrorHandler\Exceptions\ValidationException", 
+  "Symfony\Component\HttpKernel\Exception\MethodNotAllowedHttpException"=>"\hamidreza2005\LaravelApiErrorHandler\Exceptions\NotFoundException", 
 ];
 ```
 this package provide some common exception like `ModelNotFound` But if you want to customize it you can do like this :